Title :
Modeling User Preferences through Adaptive Fuzzy Profiles
Author :
Mencar, Corrado ; Torsello, Maria A. ; Agnello, Danilo Dell ; Castellano, Giovanna ; Castiello, Ciro
Author_Institution :
Dept. of Inf., Univ. of Bari, Bari, Italy
fDate :
Nov. 30 2009-Dec. 2 2009
Abstract :
Adaptive software systems are systems that tailor their behavior to each user on the basis of a personalization process. The efficacy of this process is strictly connected with the possibility of an automatic detection of preference profiles, through the analysis of the users´ behavior during their interactions with the system. The definition of such profiles should take into account imprecision and gradedness, two features that justify the use of fuzzy sets for their representation. This paper proposes a model for representing preference profiles through fuzzy sets. The model´s strategy for adapting profiles to user preferences is to record the sequence of accessed resources by each user, and to update preference profiles accordingly so as to suggest similar resources at next user accesses. Profile adaption is performed continuously, but in earlier stages it is more sensitive to updates (plastic phase) while in later stages it is less sensitive (stable phase) to allow resource suggestion. Simulation results are reported to show the effectiveness of the proposed approach.
Keywords :
fuzzy set theory; information retrieval; knowledge representation; learning (artificial intelligence); user modelling; adaptive fuzzy profile; adaptive software system; fuzzy sets; preference profile detection; preference profile learning; preference profile representation; profile adaption; resource access; resource suggestion; system behavior; user behavior analysis; user personalization; user preference modeling; Adaptive systems; Application software; Fuzzy sets; Fuzzy systems; Informatics; Information analysis; Intelligent systems; Navigation; Plastics; Software systems; Dynamic User Profiling; Fuzzy Logic; Recommender Systems;
Conference_Titel :
Intelligent Systems Design and Applications, 2009. ISDA '09. Ninth International Conference on
Conference_Location :
Pisa
Print_ISBN :
978-1-4244-4735-0
Electronic_ISBN :
978-0-7695-3872-3
DOI :
10.1109/ISDA.2009.67